sexual reproduction | adaptaions | vocabulary | punnet squares | |
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What is a mutation
changing of gene structure
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how many parents are required in sexual reproduction
two
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why are adaptations important
to survive in different environments
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What is alleles
one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
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What is a punnet square
square diagram that is used to predict the genotypes of a particular cross or breeding experiment
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What is sexual reproduction
when 2 parents reproduce to make offspring
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what is meiosis
a type of cell division that results in four daughter cells each with half the number of chromosomes from the parent
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what are adaptations
when an organism changes to fit a new environment
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What is progeria
A progressive genetic disorder where symptoms of aging are manifested at an early age.
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how do we use punnet squares
to preidct genotypes
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What is asexual reproduction
when 1 parent is needed to make offspring
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What is a haploid cell
result of a diploid cell replicating and dividing twice through meiosis
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When is an organism no longer well adapted
when it has adapted too many times it can slow it down and mess up its ability to adapt
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What is an orgaism
any living creature
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What heterozygous
inherited different forms of a particular gene from each parent
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What is hypertrichosis
abnormal growth of hair
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What are the six types of sexual repdocution
there are none
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how long does it take for an organism to adapt
a few years
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What is evolution
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
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What is homozygous
individual has inherited the same DNA sequence for a particular gene from both their biological mother and their biological father
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What is an adaptation
when an organism changes to better fit an environment
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What is diploid cell
cell that contains 2 complete sets of chromosomes
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What would life be like without adaptations
people would get used to doing the same things over and over again
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What is a physiological adaptation
physiological adaptation the ongoing process by which internal body functions are regulated and adjusted to maintain homeostasis in the internal environment.
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What gene is all lowecase in a punnet square
recessive gene
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